Bis(4-chlorophenyl) sulfoxide
Also known as: 4,4'-Dichlorodiphenyl sulfoxide, Di-p-chlorophenyl sulfoxide, 1,1'-Sulfinylbis(4-chlorobenzene), 1-chloro-4-[(4-chlorophenyl)sulfinyl]benzene, 4,4'-Sulfinylbis(chlorobenzene), p-Chlorophenyl sulfoxide, 4-Chlorophenyl sulfoxide
Bis(4-chlorophenyl) sulfoxide (CAS 3085-42-5) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H8Cl2OS and a molecular weight of 271.162 g/mol. Key properties include a melting point of 141-144 °C(lit.), a boiling point of 406.2±30.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 199.5±24.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 3085-42-5
- Jingsj CID
- J-1990831-7
- Molecular Formula
- C12H8Cl2OS
- Molecular Weight
- 271.162 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 141-144 °C(lit.) |
|---|---|
| Boiling Point | 406.2±30.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 199.5±24.6 °C |
| Exact Mass | 269.967285 |
| PSA | 36.28000 |
| LogP | 3.65 |
| Vapor Pressure | 0.0±0.9 mmHg at 25°C |
| Refractive Index | 1.690 |
Customs & Trade Information
| HS Code | 2930909090 |
|---|---|
| Summary | 2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Bis(4-chlorophenyl) sulfoxide?
The CAS number of Bis(4-chlorophenyl) sulfoxide is 3085-42-5.
What are the molecular formula and molecular weight of Bis(4-chlorophenyl) sulfoxide?
Bis(4-chlorophenyl) sulfoxide has molecular formula C12H8Cl2OS and molecular weight 271.162 g/mol.
What are the upstream and downstream products of Bis(4-chlorophenyl) sulfoxide?
For Bis(4-chlorophenyl) sulfoxide, Upstream Products: Chlorobenzene, Bis(4-chlorophenyl) sulfide, benzene; Downstream Products: Bis(4-chlorophenyl) sulfide, 2-Chlorophenol, 4-Chlorophenol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Bis(4-chlorophenyl) sulfoxide (CAS 3085-42-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1990831-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.